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D273 Photoelectric Smoke and Smoke and Heat Detectors

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  • 12 VDC or 24 VDC input
  • Designed for commercial or residential use
  • Four-wire application
  • Light-emitting diodes (LEDs) indicate the status of the chamber, power, and alarm
  • Removable terminal block to simplify wiring connections
  • Cable connection point for voltmeter sensitivity test
  • Trim Plate TP280 for retrofit and remodeling purposes

Product Variants

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/heat detector 135°F, relay&sounder

Commercial Type No. D273THCS
Product No. 4.998.143.570

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke detector, 4-wire, 12/24V

Commercial Type No. D273
Product No. 4.998.140.337

D273 Photoelectric Smoke and Smoke and Heat Detectors

Smoke/isolated heat detector, sounder

Commercial Type No. D273IS
Product No. 4.998.143.574

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Installation manual
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Technical bulletin (- Smoke Detector Locations)
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